* {
    margin: 0;
    padding: 0;
}

body {
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #2d3436;
}

.loader {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    position: relative;
    background-color: red;
    box-shadow: -24px 0 #FFF, 24px 0 #FFF;
    animation: rotation 1.5s ease-in-out infinite;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}